两种铜磷钎料对紫铜钎焊的焊接性能和焊缝组织对比
Weldability and Microstructure of Copper Joints Welded by Two Kinds of Phosphor-copper Brazing Filler Metal
摘 要
对国产BCu80PAg钎料和德国进口L-Ag15P钎料进行了化学成分、熔化性能、润湿性试验,并比较了这两种铜磷钎料对紫铜钎焊焊接接头的力学性能和焊缝组织.结果表明:L-Ag15P钎料的成分均匀性和润湿性要好于BCu80PAg的,其熔化区间较窄;两种钎料焊接接头的力学性能相当;两种钎料所形成焊缝的显微组织主要都是亚共晶,初生相为富银和磷的α-Cu固溶体,共晶体组分为α-Cu固溶体和Cu3P化合物.
钎焊
润湿性
phosphor-copper brazing filler metal
brazing
wettability
Abstract
The chemical composition,melting performance and wettability of two phosphor-copper brazing filler metals of BCu80PAg and L-Ag15P were studied,and the mechanical properties and microstructure of copper joints welded by these two filler metals were compared.The results show that the chemical composition homogeneity and wettaility of L-Ag15P was better than that of BCu80PAg,and the melting interval of the former was more narrow than that of the latter.Mechanical property of the joints welded by these two filler metal was comparative.Microstructure of the brazing seam with these two filler metals both was hypoeutectic.The primary phase was α-Cu solid solution rich in Ag and P and the eutectic was α-Cu solid solution and Cu3P compound.
中图分类号 TG425
所属栏目 材料性能及其应用
基金项目
收稿日期 2008/3/2
修改稿日期 2008/8/20
网络出版日期
作者单位点击查看
备注张培磊(1981-),男,江苏镇江人,博士研究生.
引用该论文: ZHANG Pei-lei,DING Min,YAO Shun,LU Feng-gui,LOU Song-nian. Weldability and Microstructure of Copper Joints Welded by Two Kinds of Phosphor-copper Brazing Filler Metal[J]. Materials for mechancial engineering, 2009, 33(2): 82～85
张培磊,丁敏,姚舜,芦凤桂,楼松年. 两种铜磷钎料对紫铜钎焊的焊接性能和焊缝组织对比[J]. 机械工程材料, 2009, 33(2): 82～85
被引情况:
【1】何力佳,王 函,张泽洲,赵晓杰, "焊前预热对T2紫铜激光焊接接头组织和性能的影响",机械工程材料 40, 49-52(2016)
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参考文献
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【3】张静,路文江,俞伟元,等.快冷铜基钎料真空钎焊的润湿性研究[J].兰州理工大学学报,2006(2):15-19.
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